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Training Solo: New Set Of Serious Security Vulnerabilities Exposed For Intel & Arm CPUs
The VUSec security researchers are at it again..
Security researchers discovered that domain isolation used for commonly mitigating Spectre Variant Two vulnerabilities have multiple shortcomings across different CPU architectures. The ITS variant of Training Solo requires an Intel CPU microcode update as well as software mitigations to the Linux kernel and KVM. During our investigation, we also stumbled upon two Intel issues which completely break (user, guest, and hypervisor) isolation and re-enable classic Spectre-v2 attacks."
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